Penicillium species: the mould that saved millions of lives Penicillium is a group (Genus) of moulds found everywhere world-wide. It is the mould that saved millions of lives by producing the first ever known modern antibiotic, the penicillin. The discovery of penicillin from the fungus Penicillium chrysogenum (then known as Penicillium notatum) by Sir Alexander Fleming […]